Acclaim SEC LC Column色谱柱082740_价格_上海希言科学仪器有限公司

产品详情

Size-Exclusion Chromatography (SEC) Columns for Separating Water-Soluble Polymers

Thermo Scientific^™ Acclaim^™ SEC-300 and SEC-1000 columns are a family of high-performance size-exclusion chromatography columns specifically designed for the separation of water-soluble polymers and oligomers. Acclaim SEC columns are available in two pore sizes, 300 ? and 1000 ?, and are optimized for separating a broad molecular weight range. Water-soluble polymers cover a wide range of highly varied families of products, both of natural or synthetic origin, and have numerous uses in pharmaceuticals, medications, cosmetics, food products, and industrial processes, to name a few.

Column features include:

Proprietary monodispersed, multipore, hydrophilic resin: no inflection points in calibration curve.
Two columns with different pore sizes offer wide linear range (100 to 1,000,000 Dalton).
Availability of small particle sizes packed in 4.6 × 300 mm dimension allows for high-resolution analysis with reduced solvent consumption.
Stable surface bonding with low column bleed and compatibility with UV, RI, MS, ELSD and Thermo Scientific Dionex Corona^™Charged Aerosol Detectors.

These columns are packed with spherical, monodispersed, hydrophilic polymethacrylate particles synthesized by multipore particle synthesis technology. Combined with the use of small particle sizes (5 μm for Acclaim SEC-300 and 7 μm for Acclaim SEC-1000), they provide high-resolution and good linearity of the calibration curve for accurate and reliable analysis of a variety of water-soluble polymers.

The Acclaim SEC-1000 uses polymethacrylate particles with a nominal pore size of 1000 ?, resulting in a broad linear calibration range from 1,000 to 1,000,000 Dalton. Therefore, it is suitable for characterizing high molecular weight polymers. The Acclaim SEC-300 uses polymethacrylate particles with a nominal pore size of 300 ?, giving a linear calibration range from 100 to 50,000 Dalton. As a result, this column offers good resolution for lower molecular weight polymers or oligomers.

Acclaim SEC Column Specifications
	Acclaim SEC-300	Acclaim SEC-1000
Substrate	Hydrophilic polymethacrylate resin, Spherical
Particle size	5μm	7μm
Pore size	300 ? (multipore)	1000 ? (multipore)
Separation range for polyethylene oxides (PEO)	100–50,000 Daltons	1,000–1,000,000 Daltons
Exclusion limit for polyethylene oxides (PEO)	50,000–150,000 Daltons	3,000,000–7,500,000 Daltons
Operating pH range	2–12
Operating flow rate range	≤ 0.35 mL/min: 4.6 × 300 mm ≤ 1.0 mL/min: 7.8 mm i.d. formats

Analytical Columns
Acclaim SEC-1000, 7μm, Analytical (4.6 x 300 mm)	079724
Acclaim SEC-1000, 7μm, Analytical (7.8 x 300 mm)	079721
Acclaim SEC-1000, 7μm, Analytical (7.8 x 150 mm)	079722
Acclaim SEC-300, 5μm, Analytical (4.6 x 300 mm)	079723
Acclaim SEC-300, 5μm, Analytical (7.8 x 300 mm)	079725
Acclaim SEC-300, 5μm, Analytical (7.8 x 150 mm)	079726

Guard Columns
Acclaim SEC-1000, 7μm, Guard (4.6 x 33mm)	082739
Acclaim SEC-300, 5μm, Guard (4.6 x 33mm)	082740

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供货周期：	现货
品牌：	戴安
货号：	82740